Question: A d.c. shunt-wound generator running at constant speed generates a voltage of 150 V at a certain value of field current. Determine the change

A d.c. shunt-wound generator running at constant speed generates a voltage of

A d.c. shunt-wound generator running at constant speed generates a voltage of 150 V at a certain value of field current. Determine the change in the generated voltage when the field current is reduced by 20%, assuming the flux is proportional to the field current.

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